Low water Alarms are good insurance if something springs a leak!!.

Same a medical insurance.

Its a waste of money until you use it and then its wonderful.

Same with water alarm go to www.enginesaver.com.au

He has a new dual purpose alarm now which looks good

Is a nice guy and very helpful.

Willem and I also have a digital temp gauge that attaches to a bolt on the head (on the motor) and is very accurate.


Cheers

Couldn't agree more Axle,

I just fitted one of these today...

engine saver combination


Seems like a terrific little bit of kit... monitoring both water in the top hose.. and head temp.


I figure its cheap insurance...

Mark

Hi Axle,

I became a convert about 8 years ago.

I was driving a 6 month old Commodore on the New England Highway in NSW when the fire went out and the dashboard light up like a Christmas tree!

It wouldn't restart probably because it wouldn't turn over! I lifted the bonnet and noticed one of the heater hoses had lifted off the block.

Out comes the NRMA and tows me back to Singleton.

Long story short the local Holden dealer lifted the heads, apparently they were purple (bad for aluminium I am told) and shaped like banana's!

The pistons I'm told are still in the block.

It cost the company I worked for nothing and GM heaps.

My current Troopy has an EngineSaver low water alarm, cheap insurance to me!

Geoff

Hello Axle

If you have a series 2 discovery Td5, the Datronic unit is easy to fit. The sensor screws into the bleed screw on the top radiator hose. You also cut 6mm off the s/teel sensor.
Checks its self on start-up with a beep and has about a 3-5 second delay before activation. This is to avoid any false alarms.

Tony

I was lucky I caught a blown radiator hose on my truck a few years ago, I was walking back to it when I noticed coolant leaking at a great rate onto the ground.
Hoses fail from time to time, hose clamps break, even with service intervals not exceeding a month, I doubt that most people when cruising on flat open road, would notice that they have lost all there coolant until it's too late, Toyota's have a nasty habit of reading normal when there is no coolant at all, I probably wouldn't. so I spent the $150 (approx) and now have a buzzer and light to tell me I've missed the temp gauge.
Cheap insurance, The first addition to my next vehicles.
Shane

G'day Axle,
I did a motor a few years ago due to a busted heater hose.
The Engine Saver is cheap insurance and the service, both pre & post sale is excellent.
Cheers
Alex

G'Day,
Got mine about 3 months ago after noticing a small pool of coolant on the garage floor. Turned out the small plastic bung in the bottom of the radiator had cracked. Took this as an omen not to temp fate any more.
Cheers
Shawn

I have an Engine Watch Dog fitted to the LC4.5 V8 and it is accurate but I have observed the following.

At rest (cold ) it displays within 1deg of the actual coolant temp ..so the accuracy is not in question

Under operating conditions the watch dog is anywhere between 4 to 6 deg cooler than the actual coolant temp. (yes I have another device displaying that temp)

The reason for this difference I put down to something as simple as the fact the sensor bolt for the watchdog is bolted on an aluminium pipe that is inline between the radiator hose and the engine block and is the only place that I can find to bolt it and in actiual fact is only physically about 3 cm from the coolantr temperature sensor that is actually measuring the cooloant temp (by being imersed in it)

I put the difference down to the fact that the place I have been forced to bolt the sensor to is simply acting as heat exchanger and the few deg lower is because of that

I am happy at that because I have sent the auduble alarm on the watch dog 5 deg lower than where I want to be informed of the coolant temperature rise

at the end of the day it is about being informed of a rising temperature so you can act in advance rather that not scan your guages (and how many of us do so as regularlly as we should) and it being too late

when flying you do scan the guages far more frequently than when driving simply because I can take my eyes off the sky safely a little longer than I can off the road and can therefore afford to do so...and besides which the implications in the air have potentially more serious consequences you cant just pull over!